“…Of the 70 total included studies in this review, 18 (26%) 28,37,39,40,43-45,48,52,60,68,70,73,74,77,79,96,102 were approved by local ethics boards, 19 (27%) 32-34,36,41,46,47,49,50,53,55,56,58,63,64,67,81,97,100 sought approval but were considered exempt, 15 (21%) 19,35,38,42,57,59,61,62,65,71,72,75,78,80,93 reported that seeking approval was not necessary at their institution based on the type of project proposed and current regulations, and 18 (26%) 27,29-31,51,54,66,69,76,88,89,95,98,99,101,103-105 made no mention of ethics oversight.…”